[填空题]
The angular momentum 10 in the hydrogen atom is give vrdnib 5q;5zo7m.(mkpp :q.zn both by thttkosv3 3:*zy;djb ;ne Bohr model and by quansv tzj:k3n;3 *dbot;ytum mechanics. Compare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf